(*
 * Copyright (c) 2023-2023 Tarides <contact@tarides.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *)

open! Import
open Common
module Async = Irmin_pack_unix.Async.Unix

let check_outcome = Alcotest.check_repr Async.outcome_t

let test_success () =
  let f () = assert true in
  let task = Async.async f in
  let* result = Async.await task in
  check_outcome "should succeed" result `Success;
  Lwt.return_unit

let test_exception_in_task () =
  let f () = assert false in
  let task = Async.async f in
  let* result = Async.await task in
  check_outcome "should fail" result (`Failure "Unhandled exception");
  Lwt.return_unit

let tests =
  [
    Alcotest_lwt.test_case "Successful task" `Quick (fun _switch ->
        test_success);
    Alcotest_lwt.test_case "Exception occurs in task" `Quick (fun _switch ->
        test_exception_in_task);
  ]
